Suction ring for a patient interface device



FIG. 1 is a side perspective view of a suction ring for a patient interface device showing our new design in unclaimed environment;

FIG. 2 is a top perspective view of the suction ring for a patient interface device shown in another environment;

FIG. 3 is an elevational view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a sectional view thereof.

In the drawings, the broken lines are for the purpose of illustrating environment only and form no part of the claimed design. 

CLAIM What is claimed is the ornamental design for a suction ring for a patient interface device, as shown and described. 